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Design patterns and DMC.
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Silver Member
posted
Hi,

Has anyone incorporated the use a design patterns when developing software with DMC?

If so, what pattern(s) were used? Were there any patterns that worked better than others?

Thank you in advance.

Tom


WebFOCUS 7.6.7
Linux
csv/.txt, pdf, Excel
 
Posts: 31 | Registered: June 01, 2009Reply With QuoteReport This Post
Guru
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could you explain a bit more what you mean here? Are you talking about using the PATTERN function? Or something else.
 
Posts: 373 | Location: New York City | Registered: May 03, 2007Reply With QuoteReport This Post
Silver Member
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Hi Clif,

I am referring to design patterns as they are used in software development. We are trying to put into
practice a pattern (if one exists for code developed via the DMC) that we may use as we develop our
ETL processes.

The below listed link on design patterns will give you a better understanding of what I mean by patterns.

http://en.wikipedia.org/wiki/D...rn_(computer_science)


WebFOCUS 7.6.7
Linux
csv/.txt, pdf, Excel
 
Posts: 31 | Registered: June 01, 2009Reply With QuoteReport This Post
Gold member
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Hi Tom,

The link above did not have the trailing parenthesis in the URL, so it routed to a "deleted page" on wikipedia.

Here is the corrected link:

The below listed link on design patterns will give you a better understanding of what I mean by patterns.

http://en.wikipedia.org/wiki/D...n_(computer_science)


Regards,

Dan at UNO


WebFOCUS 8.8.05M (Prod)/8.0.09(Sandbox) Windows
 
Posts: 56 | Location: Omaha, Ne USA | Registered: October 15, 2007Reply With QuoteReport This Post
Silver Member
posted Hide Post
Thanks Dan.


WebFOCUS 7.6.7
Linux
csv/.txt, pdf, Excel
 
Posts: 31 | Registered: June 01, 2009Reply With QuoteReport This Post
Guru
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Very interesting. Altho the DMC is not a programming language it does generate FOCUS code. One could argue that by using DMC to generate Data Flows you are enforcing specific patterns. That said I haven't heard of DataMigrator customers using this methodology.
 
Posts: 373 | Location: New York City | Registered: May 03, 2007Reply With QuoteReport This Post
Virtuoso
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My two cents on the matter: DMC provides a design pattern for the ETL process. The developer uses DMC's design pattern to create a Data Flow from pre-existing source and target data objects. Existing procedural objects can also be re-used in the Process Flow that wraps and modifies the Data Flow. DMC generates the underlying code based on the design. Every DMC design uses the same pattern - only the specific data and procedural objects change.


WebFOCUS 7.7.05
 
Posts: 1213 | Location: Seattle, Washington - USA | Registered: October 22, 2007Reply With QuoteReport This Post
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